\documentclass[a4paper,twocolumn]{article}
\usepackage[T1]{fontenc}
\usepackage{listings}
\usepackage{times}
\usepackage[left=1cm,right=1cm,top=1cm,bottom=1cm]{geometry}
\usepackage[usenames,dvipsnames]{color}
\usepackage{nopageno}

\begin{document}
\lstset{
basicstyle=\fontsize{8pt}{8pt}\ttfamily,
keywordstyle=\bfseries,
identifierstyle=,
commentstyle=}
\lstset{language=Bash}
\section*{\ttfamily .bashrc}
\lstinputlisting{bashrc}
\section*{\ttfamily .freddie-vimrc}
\lstinputlisting{freddie-vimrc}
\section*{\ttfamily .ludwig-vimrc}
\lstinputlisting{ludwig-vimrc}
\section*{Desktops}
\begin{enumerate}
\item Browser for submissions
\item Freddie: ???
\item Jonathan: gedit, terminal for \mbox{setxkbmap gb}
\item Ludwig: terminal with 3 tabs, 80 chars wide, full screen height, terminal for \mbox{setxkbmap us}
\end{enumerate}
\section*{Interactive grader (only if necessary)}
\lstinputlisting{interactive-grader.sh}
\end{document}
